Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

What is Flume event?

What are possible types of Channel Selectors?

103

What are the complicated steps in Flume configurations?

142

What is Flume Client?

Can flume provide 100% reliability to the data flow?

What are use cases of Apache Flume?

can you explain about configuration files?

What is Streaming / Log Data?

Why Flume?

178

What is flume agent?

What is FlumeNG?

Is there any difference between FileSink and FileRollSink?

Agent communicate with other Agents?

Explain Reliability and Failure Handling in Apache Flume?

104

Any two Limitations of Flume?

Un-Answered Questions { Big Data }

Explain Data Type Conversion in Hive?

674

How many types of NoSQL databases are there?

141

Name the Spark Library which allows reliable file sharing at memory speed across different cluster frameworks.

291

How to enable trash/recycle bin in hadoop?

698

What are the two ways to create rdd in spark?

310

What is the history of apache mahout? When did it start?

Can you define big data analytics?

499

What are the problems with Hadoop 1.0?

1000

Can we change the file cached by distributed cache

399

Does Pig give any warning when there is a type mismatch or missing field?

849

What is lazy evaluation and how is it useful?

282

Can you use spark to access and analyze data stored in cassandra databases?

300

What is Fault Tolerance in HDFS?

Which is the best hadoop certification?

626

Suppose there is file of size 514 mb stored in hdfs (hadoop 2.x) using default block size configuration and default replication factor. Then, how many blocks will be created in total and what will be the size of each block?

125

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